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Study on Optimization of Small Offset Crash Restraint System and Dummy Evaluation Items of A Vehicle
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Sigang Bi, Yue Zhang, Jianxun Wang, Yanbo Liu, Zhe Chen
Automobile Technology | 2023, (2) : 23 - 27
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Automobile Technology | 2023, (2): 23-27
Study on Optimization of Small Offset Crash Restraint System and Dummy Evaluation Items of A Vehicle
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Sigang Bi, Yue Zhang, Jianxun Wang, Yanbo Liu, Zhe Chen
Affiliations
  • FAW Car Co., Ltd., Changchun 130013
Published: 2023-02-24 doi: 10.19620/j.cnki.1000-3703.20220442
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In order to improve the occupant protection performance of a vehicle in the frontal 25% offset crash test, the research on the test methods and optimization schemes of the evaluation items of the injury level of the dummy, the restraint system and the motion level of the dummy was carried out. First, an accurate model was established by simulation and benchmarking test. Then, side air curtain was added, the seat belt and ignition time and parameters of airbag were optimized, and the structure of steering column bracket and instrument panel bracket were also optimized. Finally, it was verified by CAE. The results show that the grades of the thighs and hips, legs and feet of the dummy have been improved from Marginal (M) and Poor (P) to Good (G) and Acceptable (A), and the evaluation items of the restraint system and the motion grade of the dummy have been improved from Poor (P) to Good (G). The overall evaluation of small offset crash was improved from Poor (P) to Good (G). The occupant Weighted Injury Criteria (WIC) decreased by 22.97%.

Small offset collision  /  Restraint system  /  Occupant safety  /  Side air curtain
Sigang Bi, Yue Zhang, Jianxun Wang, Yanbo Liu, Zhe Chen. Study on Optimization of Small Offset Crash Restraint System and Dummy Evaluation Items of A Vehicle[J]. Automobile Technology, 2023 , (2) : 23 -27 . DOI: 10.19620/j.cnki.1000-3703.20220442
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doi: 10.19620/j.cnki.1000-3703.20220442
  • Online Date：2025-12-07
  • Published：2023-02-24
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  • Revised：2022-07-05
Affiliations
    FAW Car Co., Ltd., Changchun 130013
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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